Table 1. Electrical Properties of PbS FETs with Different Capping Ligands before and after BV Treatment.
2T mobility (cm2 V–1 s–1) |
threshold voltage (V) |
||||
---|---|---|---|---|---|
ligands | pristine | BV-treated | pristine | BV-treated | doping carrier concentration (1012 cm–2) |
3MPA | 2.6 × 10–3 | 5.1 × 10–3 | 36 | 18.8 | 1.6 |
TBAI | 5.3 × 10–3 | 1.4 × 10–2 | 16.5 | –17.1 | 3.2 |
MAI | 0.03 | 0.32 | 12.2 | –35 | 4.4 |